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Commit 0b2e862c authored by qctecmdr's avatar qctecmdr Committed by Gerrit - the friendly Code Review server
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Merge "netfilter: contrack: Adding check for SIP/2.0"

parents 94453399 4870530f

net/netfilter/nf_conntrack_sip.c

+9 −0
Original line number Diff line number Diff line
@@ -1989,6 +1989,11 @@ static int sip_help_tcp(struct sk_buff *skb, unsigned int protoff, 
	datalen = skb->len - dataoff;

	if (datalen < strlen("SIP/2.0 200"))

		return NF_ACCEPT;



	/* Check if the header contains SIP version */

	if (!strnstr(dptr, "SIP/2.0", datalen))

		return NF_ACCEPT;



#ifdef CONFIG_NF_CONNTRACK_SIP_SEGMENTATION

	/* here we save the original datalength and data offset of the skb, this

	 * is needed later to split combined skbs
@@ -2125,6 +2130,10 @@ static int sip_help_udp(struct sk_buff *skb, unsigned int protoff, 
	if (datalen < strlen("SIP/2.0 200"))

		return NF_ACCEPT;



	/* Check if the header contains SIP version */

	if (!strnstr(dptr, "SIP/2.0", datalen))

		return NF_ACCEPT;



	return process_sip_msg(skb, ct, protoff, dataoff, &dptr, &datalen);

}